shh.gl4
Class MatChar

Object
  MatChar

public class MatChar

extends Object

Holds a 4 × 4 matrix of ints, which is a member of some matrix group G, and also holds the int value of a character on G.

Author:

Mark McConnell

Constructor Summary

MatChar(String colSexp, int charV)
Converts Lisp format to its own format.

Method Summary

Integer	getCharVal()
String	toString() Returns ((a e i m) (b f j n) (c g k o) (d h l p)) as in the constructor.

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

MatChar

public MatChar(String colSexp,
               int charV)

Converts Lisp format to its own format.

Parameters:

colSexp - A String with the syntax
((a e i m) (b f j n) (c g k o) (d h l p))
representing the matrix

a b c d
e f g h
i j k l
m n o p

charV - The value of some character on the underlying matrix group G. Probably 1 or -1.

Throws:

IllegalArgumentException - If the input syntax is wrong.

NumberFormatException - If the a, b, etc., don't represent ints.

Method Detail

getCharVal

public Integer getCharVal()

toString

public String toString()

Returns ((a e i m) (b f j n) (c g k o) (d h l p)) as in the constructor.